1//===-- Unittests for strdup ----------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/errno/libc_errno.h"
10#include "src/string/strdup.h"
11#include "test/UnitTest/Test.h"
12
13#include <stdlib.h>
14
15TEST(LlvmLibcStrDupTest, EmptyString) {
16 const char *empty = "";
17
18 LIBC_NAMESPACE::libc_errno = 0;
19 char *result = LIBC_NAMESPACE::strdup(src: empty);
20 ASSERT_ERRNO_SUCCESS();
21
22 ASSERT_NE(result, static_cast<char *>(nullptr));
23 ASSERT_NE(empty, const_cast<const char *>(result));
24 ASSERT_STREQ(empty, result);
25 ::free(ptr: result);
26}
27
28TEST(LlvmLibcStrDupTest, AnyString) {
29 const char *abc = "abc";
30
31 LIBC_NAMESPACE::libc_errno = 0;
32 char *result = LIBC_NAMESPACE::strdup(src: abc);
33 ASSERT_ERRNO_SUCCESS();
34
35 ASSERT_NE(result, static_cast<char *>(nullptr));
36 ASSERT_NE(abc, const_cast<const char *>(result));
37 ASSERT_STREQ(abc, result);
38 ::free(ptr: result);
39}
40
41TEST(LlvmLibcStrDupTest, NullPtr) {
42 LIBC_NAMESPACE::libc_errno = 0;
43 char *result = LIBC_NAMESPACE::strdup(src: nullptr);
44 ASSERT_ERRNO_SUCCESS();
45
46 ASSERT_EQ(result, static_cast<char *>(nullptr));
47}
48

source code of libc/test/src/string/strdup_test.cpp